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      1 //
      2 //  ANTLRBaseRecognizer.m
      3 //  ANTLR
      4 //
      5 //  Created by Alan Condit on 6/16/10.
      6 // [The "BSD licence"]
      7 // Copyright (c) 2010 Alan Condit
      8 // All rights reserved.
      9 //
     10 // Redistribution and use in source and binary forms, with or without
     11 // modification, are permitted provided that the following conditions
     12 // are met:
     13 // 1. Redistributions of source code must retain the above copyright
     14 //    notice, this list of conditions and the following disclaimer.
     15 // 2. Redistributions in binary form must reproduce the above copyright
     16 //    notice, this list of conditions and the following disclaimer in the
     17 //    documentation and/or other materials provided with the distribution.
     18 // 3. The name of the author may not be used to endorse or promote products
     19 //    derived from this software without specific prior written permission.
     20 //
     21 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31 
     32 #import <Cocoa/Cocoa.h>
     33 #import "ANTLRPtrBuffer.h"
     34 
     35 //#define GLOBAL_SCOPE       0
     36 //#define LOCAL_SCOPE        1
     37 #define HASHSIZE         101
     38 #define HBUFSIZE      0x2000
     39 
     40 @interface ANTLRBaseStack : ANTLRPtrBuffer {
     41 	//ANTLRRuleStack *fNext;
     42     // TStringPool *fPool;
     43     NSInteger LastHash;
     44 }
     45 
     46 //@property (copy) ANTLRRuleStack *fNext;
     47 @property (getter=getLastHash, setter=setLastHash) NSInteger LastHash;
     48 
     49 // Contruction/Destruction
     50 + (ANTLRBaseStack *)newANTLRBaseStack;
     51 + (ANTLRBaseStack *)newANTLRBaseStackWithLen:(NSInteger)cnt;
     52 - (id)init;
     53 - (id)initWithLen:(NSInteger)cnt;
     54 - (void)dealloc;
     55 
     56 // Instance Methods
     57 - (id) copyWithZone:(NSZone *)aZone;
     58 
     59 - (NSInteger)count;
     60 - (NSInteger)size;
     61 /* clear -- reinitialize the maplist array */
     62 
     63 - (NSInteger)getLastHash;
     64 - (void)setLastHash:(NSInteger)aVal;
     65 
     66 @end
     67